Comment 8 for bug 1183831

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Henning Eggers (henninge) wrote : Re: ec2 constraints missing

A missing availability zone constraint is a huge problem with regard to reserved instances. Reserved instances save a lot of money but they are bound to a specific availability zone. I cannot take advantage of that without explicit az placement of a machine.

So, even if juju was smart about spreading instances across az's it may still get it wrong as far as reserved instances are concerned.

Sadly, this is a blocker for us, too.